
1) Atmospheric optical phenomena 2) DC Comics supervillain 3) Fictional archer
Found on
https://www.crosswordclues.com/clue/moonbow

A moonbow (also known as a lunar rainbow, black rainbow, white rainbow, lunar bow, or space rainbow) is a rainbow produced by light reflected off the surface of the moon (as opposed to direct sunlight) refracting off of moisture laden clouds in the atmosphere. Moonbows are relatively faint, due to the smaller amount of light reflected from the sur...
Found on
http://en.wikipedia.org/wiki/Moonbow

a rainbow caused by the refraction and reflection of light from the moon. Also called
Found on
https://www.infoplease.com/dictionary/moonbow
No exact match found.